
class TradeFormatError(RuntimeError):
	pass
	
class BLPDataError(RuntimeError):
	pass
	
class SellingOnShortPositionError(RuntimeError):
	pass
	
class CoveringOnLongPositionError(RuntimeError):
	pass
	
class AVPU_NA(RuntimeError):
	pass
	
class OfficialFee_NA(RuntimeError):
	pass
	
class CorrspondingSubscription_NA(RuntimeError):
	pass
	
class EntityNA(RuntimeError):
	pass